# A videotape cassette contains two spools, each of radius rs, on which the tape is wound. As

## Question:

(a) Show that at any instant the angular speeds of the two spools are ώ1 = v/r and ώ 2 = v/(rs 2 ) rt + 2 ─ r 2)1/2

(b) Show that these expressions predict the correct maximum and minimum values for the angular speeds of the two spools.

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## Step by Step Answer:

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